CN101562768B - 微型发声器 - Google Patents
微型发声器 Download PDFInfo
- Publication number
- CN101562768B CN101562768B CN 200910107474 CN200910107474A CN101562768B CN 101562768 B CN101562768 B CN 101562768B CN 200910107474 CN200910107474 CN 200910107474 CN 200910107474 A CN200910107474 A CN 200910107474A CN 101562768 B CN101562768 B CN 101562768B
- Authority
- CN
- China
- Prior art keywords
- pole piece
- magnet steel
- groove
- acoustic generator
- minitype acoustic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200910107474 CN101562768B (zh) | 2009-05-22 | 2009-05-22 | 微型发声器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200910107474 CN101562768B (zh) | 2009-05-22 | 2009-05-22 | 微型发声器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101562768A CN101562768A (zh) | 2009-10-21 |
CN101562768B true CN101562768B (zh) | 2013-04-10 |
Family
ID=41221352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200910107474 Expired - Fee Related CN101562768B (zh) | 2009-05-22 | 2009-05-22 | 微型发声器 |
Country Status (1)
Country | Link |
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CN (1) | CN101562768B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN211019207U (zh) * | 2019-12-04 | 2020-07-14 | 瑞声科技(新加坡)有限公司 | 发声器件 |
CN111327998A (zh) * | 2020-02-25 | 2020-06-23 | 瑞声科技(新加坡)有限公司 | 发声器件 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1273016A (zh) * | 1998-06-18 | 2000-11-08 | 松下电器产业株式会社 | 扬声器 |
CN1668140A (zh) * | 2004-03-11 | 2005-09-14 | 星电株式会社 | 扬声器 |
CN2857391Y (zh) * | 2005-11-12 | 2007-01-10 | 常州美欧电子有限公司 | 磁路***及采用该***的动圈式电声换能器 |
KR100781085B1 (ko) * | 2006-08-03 | 2007-11-30 | 주식회사 한국토프톤 | 장방형 슬림 스피커의 댐퍼 |
-
2009
- 2009-05-22 CN CN 200910107474 patent/CN101562768B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1273016A (zh) * | 1998-06-18 | 2000-11-08 | 松下电器产业株式会社 | 扬声器 |
CN1668140A (zh) * | 2004-03-11 | 2005-09-14 | 星电株式会社 | 扬声器 |
CN2857391Y (zh) * | 2005-11-12 | 2007-01-10 | 常州美欧电子有限公司 | 磁路***及采用该***的动圈式电声换能器 |
KR100781085B1 (ko) * | 2006-08-03 | 2007-11-30 | 주식회사 한국토프톤 | 장방형 슬림 스피커의 댐퍼 |
Also Published As
Publication number | Publication date |
---|---|
CN101562768A (zh) | 2009-10-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: AAC Optoelectronic (Changzhou) Co., Ltd. Assignor: Rui sound technology (Shenzhen) Co., Ltd.|Rui acoustic technology (Changzhou) Co., Ltd. Contract record no.: 2011990000444 Denomination of invention: Manufacturing method of minitype acoustical generator License type: Exclusive License Open date: 20091021 Record date: 20110609 |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170526 Address after: Singapore Ang Mo Kio 65 Street No. 10 techpoint Building 1 floor, No. 8 Co-patentee after: AAC Acoustic Technologies (Changzhou) Co., Ltd. Patentee after: AAC Technologies (Singapore) Co., Ltd. Address before: 518057 Nanshan District province high tech Industrial Park, Shenzhen, North West New Road, No. 18 Co-patentee before: AAC Acoustic Technologies (Changzhou) Co., Ltd. Patentee before: AAC Acoustic Technologies (Shenzhen) Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20210522 |
|
CF01 | Termination of patent right due to non-payment of annual fee |